Silhouette: Architecture

Silhouette

Write applications, not infrastructure

Java Framework Web Application

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Architecture

The overall architecture of Silhouette is the standard Java Web application structure, as defined in the Java Servlet Specification

. Silhouette implements a Model/View/Controller design pattern, and decouples database access through a Data Access Objects (DAO) design pattern. Data persistence is further decoupled through the use of Hibernate annotations (implemented in this version of Silhouette through the use of XDoclet tags) on the base Java objects. This provides true database independence within the code base.

Further code reuse is implemented in the View layer through the use of JSP 2.0 tag files. A composite user-interface component can be trivially implemented using a JSP tag file, and re-used everywhere without repeated code.

Standard Java Web Application structure

DAO design pattern

Re-usable View components